[SI-LIST] diff pair questions
- From: signal hoss <simails@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 24 Jul 2001 13:48:36 -0700 (PDT)
Dear all,
Why does diff pair on pcb always reference to
gnd/power
planes, ie., stripline as sandwitch by 2 planes? The
impedence of diff pair is between positive and
negative, and should have no relationship to gnd/power
planes.
Another similar question is I have a 100 ohm diff pair
stripline lines on pcb and use a diff coaxial cable
solder to this pcb diff lines to connect to another
board. Do I need to solder the shield of cable to
ground ? Please clarify.
Signal Hoss
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